Card vending machine
作者： Casey Charles Leo
DOI:
关键词: Computer science
摘要:
lens.org 参考文章(6)
William J Gibbs, Apparatus for storing stacked articles ,(1939)
Albert J Haberer, Dispensing cabinet for tongue depressors ,(1929)
Elmer E. Gray, Separating and feeding mechanism for envelopes ,(1940)
Karola Wurm, Distributeur automatique de cure-dents ,(1907)
Sydney W Williamson, Package dispensing apparatus ,(1932)
Rabkin William, Coin controlled vending machine ,(1932)